特朗普又叫嚣征税？给中国18个月期限，不到48小时，中方通告全球

Group 1 - The article discusses Trump's renewed ultimatum to China, setting an 18-month deadline for potential tariff increases on certain semiconductor products, indicating a strategy to protect U.S. interests while leaving room for negotiation [1][5] - The White House claims that China's monopolistic practices impose burdens on U.S. companies, reinforcing Trump's image as a strong protector of American interests [1][3] - Despite the U.S. historically leading in semiconductor technology, China's rapid advancements in the sector have surprised many, with significant progress in 7nm and below process technologies [3][5] Group 2 - China's semiconductor industry has grown significantly, becoming the largest supplier of chips at 28nm and above, which are widely used in various applications, including home appliances and automotive sectors [3][5] - The potential tariff increases may burden U.S. companies, as they would likely pass on the costs to consumers, leading to higher prices for American businesses [5][7] - The article suggests that cooperation between the U.S. and China in the semiconductor field would be more beneficial than continued confrontation, as the latter could lead to the U.S. being marginalized in the global semiconductor market [7]